Home / 331,776,220.80-497,664,331.20-305,499,561.60

Finding the Fourth Proportional to 331,776,220.80, 497,664,331.20 and 305,499,561.60

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Solution

The fourth proportional to 331,776,220.80, 497,664,331.20 and 305,499,561.60 is: 458,249,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,220.80 : 497,664,331.20 = 305,499,561.60 : x
  2. Step 2: Convert to fraction form
    331,776,220.80/497,664,331.20 = 305,499,561.60/x
  3. Step 3: Cross multiply
    331,776,220.80x = 497,664,331.20 × 305,499,561.60
  4. Step 4: Simplify right side
    331,776,220.80x = 152,036,235,005,557,216
  5. Step 5: Solve for x
    x = 152,036,235,005,557,216/331,776,220.80
  6. Step 6: Final answer
    x = 458,249,342.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.